XML 63 R52.htm IDEA: XBRL DOCUMENT
v3.20.2

REVENUES (Revenue Expected to be Recognized in Future Related to Remaining Performance Obligations) (Details) - Fixed-price $ in Thousands | Sep. 30, 2020 USD ($)
--- | ---
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Estimated revenues expected to be recognized in the future | $ 19,932
Less than 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Estimated revenues expected to be recognized in the future | 19,644
1 Year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Estimated revenues expected to be recognized in the future | 288
2 Years |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Estimated revenues expected to be recognized in the future | 0
3 Years |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Estimated revenues expected to be recognized in the future | $ 0

X
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 + Details
Name: | us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | epam_ContractwithCustomerTypeAxis=us-gaap_FixedPriceContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | epam_RevenueRemainingPerformanceObligationExpectedTimingofSatisfactionPeriodAxis=epam_LessThanaYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | epam_RevenueRemainingPerformanceObligationExpectedTimingofSatisfactionPeriodAxis=epam_OneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | epam_RevenueRemainingPerformanceObligationExpectedTimingofSatisfactionPeriodAxis=epam_TwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | epam_RevenueRemainingPerformanceObligationExpectedTimingofSatisfactionPeriodAxis=epam_ThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |